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Callan Bentley's Snapshots

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  1. Flowers

    Snapshot Title: Flowers
    Taken by: Callan Bentley

    Image: Signal Knob overlook
    Image Owner: Callan Bentley



    Description:

    these look like they are in the Rose family...



  2. Strasburg water tower

    Snapshot Title: Strasburg water tower
    Taken by: Callan Bentley

    Image: Signal Knob overlook
    Image Owner: Callan Bentley



    Description:

    with Route 55 in the background.



  3. Obnoxious trio of crosses at the Rt. 55 exit off of I-81

    Snapshot Title: Obnoxious trio of crosses at the Rt. 55 exit off of I-81
    Taken by: Callan Bentley

    Image: Signal Knob overlook
    Image Owner: Callan Bentley



    Description:

    .



  4. Limestone quarry

    Snapshot Title: Limestone quarry
    Taken by: Callan Bentley

    Image: Signal Knob overlook
    Image Owner: Callan Bentley



    Description:

    Here, Cambrian and Ordovician passive margin seafloor sediments are extracted to be used as gravel and riprap.



  5. The McDonalds   gas station combo...

    Snapshot Title: The McDonalds gas station combo...
    Taken by: Callan Bentley

    Image: Signal Knob overlook
    Image Owner: Callan Bentley



    Description:

    ...in Strasburg where my field trips meet.



  6. Black vulture

    Snapshot Title: Black vulture
    Taken by: Callan Bentley

    Image: Signal Knob overlook
    Image Owner: Callan Bentley



    Description:

    Stubbier wings with white/gray "wrists" and a charcoal-gray head distinguish the black vulture from its cousin the turkey vulture.



  7. Ecphora gardnerae

    Snapshot Title: Ecphora gardnerae
    Taken by: Callan Bentley

    Image: "Geologic provinces of northern Virginia" display
    Image Owner: Callan Bentley



    Description:

    State fossil of Maryland: a Miocene snail.



  8. Ecphora gardnerae

    Snapshot Title: Ecphora gardnerae
    Taken by: Callan Bentley

    Image: "Geologic provinces of northern Virginia" display
    Image Owner: Callan Bentley



    Description:

    Snail: state fossil of Maryland, from the Miocene. More info: en.wikipedia.org/wiki/Ecphora_gardnerae_gardnerae Will open in a new tab or window



  9. Least appropriate middle name

    Snapshot Title: Least appropriate middle name
    Taken by: Callan Bentley

    Image: The grave of Charles Doolittle Walcott
    Image Owner: Callan Bentley



    Description:

    of any geologist ever...



  10. Gypsum mineral cluster

    Snapshot Title: Gypsum mineral cluster
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    atop an Eocene fish fossil from the Green River Formation of Wyoming.



  11. Giant garnets

    Snapshot Title: Giant garnets
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    in Wrangell Schist, Wrangell, Alaska.



  12. Amphibolite

    Snapshot Title: Amphibolite
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    from downstream of the Billy Goat Trail.



  13. Obsidian rind

    Snapshot Title: Obsidian rind
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    on basalt, with vesicles.



  14. Fibrous gypsum

    Snapshot Title: Fibrous gypsum
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    .



  15. Ignimbrite

    Snapshot Title: Ignimbrite
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    from near Pompei, Italy (but not at the historic site, so don't worry!)



  16. Squid

    Snapshot Title: Squid
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Because everyone needs a pickled squid in their office.



  17. Cockeysville Marble

    Snapshot Title: Cockeysville Marble
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    A distinctive banded marble from Maryland, used in the construction of the Washington Monument



  18. Green sandstone

    Snapshot Title: Green sandstone
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Wyoming



  19. Ash from the eruption of Mount Augustine, Alaska

    Snapshot Title: Ash from the eruption of Mount Augustine, Alaska
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Collected for me by the good people at the Center for Alaskan Coastal Studies in Homer, Alaska.



  20. Nummulitids

    Snapshot Title: Nummulitids
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Giant single-celled forams, the size of lentils or coins. France.



  21. Ogallala Formation

    Snapshot Title: Ogallala Formation
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Kansas



  22. Amphibolite

    Snapshot Title: Amphibolite
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Owens Valley, California.



  23. Tusk?

    Snapshot Title: Tusk?
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Some sort of tusk (walrus?) or tooth (whale?), collected by a SCUBA diver from the bottom of the Ashley River near Charleston, South Carolina.



  24. Random blurry frame

    Snapshot Title: Random blurry frame
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Grrrrrr... there is no reason for this to be out of focus.



  25. Amygdules

    Snapshot Title: Amygdules
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Catoctin formation meta-basalt, Blue Ridge province of Virginia.



  26. Shattercones

    Snapshot Title: Shattercones
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    from the Beaverhead impact site, Montana



  27. Oysters encrusting giant Inoceramid clam

    Snapshot Title: Oysters encrusting giant Inoceramid clam
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    from the Cretaceous chalk of Kansas



  28. Porphyritic rhyolite

    Snapshot Title: Porphyritic rhyolite
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    from the Beartooth highway in Montana, west of Red Lodge.



  29. Chimney swifts

    Snapshot Title: Chimney swifts
    Taken by: Callan Bentley

    Image: Avila
    Image Owner: Daniel MrZeon



    Description:

    ...near a chimney!



  30. What time is it?

    Snapshot Title: What time is it?
    Taken by: Callan Bentley

    Image: Avila
    Image Owner: Daniel MrZeon



    Description:

    He's checking his watch!



  31. Geologist at work

    Snapshot Title: Geologist at work
    Taken by: Callan Bentley

    Image: Baie des Trepasses, Cornouaille, Brittany, France
    Image Owner: Manuel Sintubin



    Description:

    Checking out the rocks



  32. Massanutten Synclinorium

    Snapshot Title: Massanutten Synclinorium
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Southern end of the classic Valley & Ridge structure. plunges to the northeast.



  33. Breccia

    Snapshot Title: Breccia
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Marks the base of the Blue Ridge Thrust Fault



  34. National Mall issue of National Geographic

    Snapshot Title: National Mall issue of National Geographic
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    An interesting case study of a famous public space in my city.



  35. Anorthosite

    Snapshot Title: Anorthosite
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Adirondacks, New York.



  36. Conglomerate

    Snapshot Title: Conglomerate
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    from the Cerro Toro Formation, a Cretaceous aged sedimentary rock unit from the Chilean part of Patagonia.



  37. Notebooks

    Snapshot Title: Notebooks
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    You can see the pixels on this label!



  38. Dimetrodon

    Snapshot Title: Dimetrodon
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    NOT a dinosaur!



  39. Calcite

    Snapshot Title: Calcite
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Part 2 of 2 of my "cleavage" demonstration for Physical Geology students.



  40. Amphibole

    Snapshot Title: Amphibole
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Part 1 of 2 of my "cleavage" demonstration for Physical Geology students.



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